[wasm] Test argument passing in the interpreter entry

src/wasm/wasm-objects.h

Index: src/wasm/wasm-objects.h
diff --git a/src/wasm/wasm-objects.h b/src/wasm/wasm-objects.h
index d0212e49f0173fdf9399ce0b2d0af8dc06776cf6..c526a909b1ed2720cc70d6d040315911415f2b34 100644
--- a/src/wasm/wasm-objects.h
+++ b/src/wasm/wasm-objects.h
@@ -420,8 +420,15 @@ class WasmDebugInfo : public FixedArray {
   static bool IsDebugInfo(Object*);
   static WasmDebugInfo* cast(Object*);
 
+  // Set a breakpoint in the given function at the given byte offset within that
+  // function. This will redirect all future calls to this function to the
+  // interpreter and will always pause at the given offset.
   static void SetBreakpoint(Handle<WasmDebugInfo>, int func_index, int offset);
 
+  // Make a function always execute in the interpreter without setting a
+  // breakpoints.
+  static void RedirectToInterpreter(Handle<WasmDebugInfo>, int func_index);
+
   void PrepareStep(StepAction);
 
   void RunInterpreter(int func_index, uint8_t* arg_buffer);
@@ -434,6 +441,9 @@ class WasmDebugInfo : public FixedArray {
   std::unique_ptr<wasm::InterpretedFrame> GetInterpretedFrame(
       Address frame_pointer, int idx);
 
+  // Returns the number of calls / function frames executed in the interpreter.
+  uint64_t NumInterpretedCalls();
+
   DECLARE_GETTER(wasm_instance, WasmInstanceObject);
 };